A Node.js and ExpressJS-based backend for managing a library system, including books and authors. The API supports full CRUD operations (Create, Read, Update, Delete) for books and authors, and connects to MongoDB using Mongoose. This backend provides RESTful endpoints for fetching, adding, updating, and deleting resources.

Keboola Data App powered By Streamlit.

This is made entirely with vanilla JavaScript. Here the name of your book, the name of the author, and the date of publication can be arranged in the form of a list. And it will show you when data is added or if there are any mistakes.

Validator is a PHP validation library that provides a robust mechanism for validating data based on various rules. It includes a command-line tool for publishing configuration files and a Validator class for data validation.

The Learning Progress Tracker project is a Python-based command-line application designed to track and manage student progress across various courses. It allows adding students, updating their course progress, and providing statistics on course popularity, activity, and difficulty. Notifications are sent to students upon completing a course.